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5 Written questions

5 Matching questions

  1. Oceanic Zone
  2. Aquaculture
  3. Benthos
  4. Sublittoral Zone
  5. Neritic Zone
  1. a The raising of aquatic plants and animals for human use or consumption.
  2. b Organisms that live at the bottom of oceans or bodies of fresh water.
  3. c The shallow benthic zone that most organisms live in; located on the continental shelves and is populated by organisms such as sea stars, brittle stars, and sea lilies.
  4. d The area of the pelagic zone above the continental shelves. Has abundant sunlight, moderate temperatures, and relatively low water pressure.
  5. e Extends into the deep waters beyond the continental shelf.

5 Multiple choice questions

  1. Microscopic plants in the ocean that provide food to many of the ocean's organisms.
  2. A measure of the amount of dissolved salts in a given amount of liquid. It can be written as salinity = 35 parts per thousand, or 35%.
  3. A method of desalination where ocean water is heated to remove salt. Heat causes liquid water to evaporate and leave dissolved salts behind. When the water vapor condenses, the result is pure fresh water.
  4. A floating layer of sea ice that completely covers an area of the ocean surface.
  5. The ratio of the mass of a substance to the volume of the substance; commonly expressed as grams per cubic centimeter for solids and liquids and as grams per liter for gases.

5 True/False questions

  1. PlanktonAll organisms that swim actively in open water, independent of currents

          

  2. NodulesOrganisms that live at the bottom of oceans or bodies of fresh water.

          

  3. NektonAll organisms that swim actively in open water, independent of currents

          

  4. Intertidal ZoneThe shallowest benthic zone that lies between the low-tide and high-tide lines.

          

  5. FreezingThe movement of deep, cold, and nutrient-rich water to the surface.

          

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